Problems with postbacks, visible/hidden controls

 

using System;
using System.IO;
using System.Web.Services;
using System.Xml;
using taExternalTestTableAdapters;

namespace nsExternalTest
{
    [WebService(Namespace = "nsExternalTest")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    public class ExternalTest : System.Web.Services.WebService
    {
        public ExternalTest()
        {
        }
        [WebMethod]
        public int GetEmpID(string empLogin)
        {
            EmpTableTableAdapter taEmp = new EmpTableTableAdapter();
            return Convert.ToInt32(taEmp.GetEmpID(empLogin));
        }
        [WebMethod]
        public bool InsertMessage(string message, string empID)
        {
            bool success = true;
            try
            {
                TestTableTableAdapter taTestTable = new TestTableTableAdapter();
                taTestTable.Insert(Convert.ToInt32(empID), message);
            }
            catch (Exception)
            {
                success = false;
            }
            return success;
        }
        [WebMethod]
        public string GetMyMessages(int empID)
        {
            StringWriter sw = new StringWriter();
            XmlTextWriter writer = new XmlTextWriter(sw);
            writer.Formatting = Formatting.None;
            writer.WriteStartElement("TestTableMessages");
            try
            {
                TestTableTableAdapter taTestTable = new TestTableTableAdapter();
                taExternalTest.TestTableDataTable dtTestTable = new taExternalTest.TestTableDataTable();
                taTestTable.FillByEmpID(dtTestTable, empID);
                foreach (taExternalTest.TestTableRow row in dtTestTable)
                {
                    writer.WriteStartElement("TestMessage");
                    writer.WriteAttributeString("Message", row.TestMessage);
                    writer.WriteEndElement();
                }
            }
            catch (Exception ex)
            {
                writer.WriteStartElement("Error");
                writer.WriteAttributeString("message", ex.ToString());
                writer.WriteEndElement();
            }
            writer.WriteEndElement();
            return sw.ToString();
        }
    }
} 

 

 <%@ Control Language="C#" AutoEventWireup="true" CodeFile="ExternalTester.ascx.cs"
    Inherits="Controls_ExternalTester" %>

    
        
    
    
        
    
    
        
    

            
                
                    
                
                
                    
                
            

                        

                            Get Employee ID

                    

                        
                    

        

            
                
                    
                
                
                    
                    
                
                
                    
                    
                
                
                    
                
                
                    
                
                
                    
                
            

                        

                            Add a Message

                    

                        Employee ID:
                    

                        
                    

                        New Message:
                    

                        
                    

                        
                    

                                                    AutoPostBack="True" />
                    

                        
                    

        

            
                
                    
                
                
                    
                
                
                    
                
            

                        

                            Message List

                    

                        
                        
                    

                        
                    

        

 

 using System;
using System.Data;
using System.IO;
public partial class Controls_ExternalTester : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            resetForm();
        }
    }
    private void resetForm()
    {
        trGetEmpID.Visible = true;
        trInsertMessage.Visible = false;
        trGetMyMessages.Visible = false;
    }
    private void resetAddMessage()
    {
        trGetEmpID.Visible = false;
        trInsertMessage.Visible = true;
        trGetMyMessages.Visible = false;
        lblEmpID.Text = "";
        txtNewMessage.Text = "";
        chkShowView.Checked = false;
        btnViewMessages.Visible = false;
        ExternalServiceTest.ExternalTest extTest = new ExternalServiceTest.ExternalTest();
        int empID = extTest.GetEmpID("mlarsen");
        lblEmpID.Text = empID.ToString();
    }
    private void resetMessageList()
    {
        int empID = Convert.ToInt32(lblEmpID.Text);
        trGetEmpID.Visible = false;
        trInsertMessage.Visible = false;
        trGetMyMessages.Visible = true;
        ExternalServiceTest.ExternalTest extTest = new ExternalServiceTest.ExternalTest();
        StringReader sr = new StringReader(extTest.GetMyMessages(empID));
        DataSet dsMember = new DataSet();
        dsMember.ReadXml(sr);
        grdMessages.DataSource = dsMember;
        grdMessages.DataBind();
    }
    protected void btnGetEmpID_Click(object sender, EventArgs e)
    {
        resetAddMessage();
    }
    protected void chkShowView_CheckedChanged(object sender, EventArgs e)
    {
        if (chkShowView.Checked)
        {
            btnViewMessages.Visible = true;
        }
        else
        {
            btnViewMessages.Visible = false;
        }
    }
    protected void btnAddMessage_Click(object sender, EventArgs e)
    {
        ExternalServiceTest.ExternalTest extTest = new ExternalServiceTest.ExternalTest();
        if (extTest.InsertMessage(txtNewMessage.Text, lblEmpID.Text))
        {
            txtNewMessage.Text = "";
        }
    }
    protected void btnViewMessages_Click(object sender, EventArgs e)
    {
        resetMessageList();
    }
    protected void btnAddAnother_Click(object sender, EventArgs e)
    {
        resetAddMessage();
    }
}